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Finding the Fourth Proportional to 291,433.95, 437,066.82 and 122,992.02

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Solution

The fourth proportional to 291,433.95, 437,066.82 and 122,992.02 is: 184,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,433.95 : 437,066.82 = 122,992.02 : x
  2. Step 2: Convert to fraction form
    291,433.95/437,066.82 = 122,992.02/x
  3. Step 3: Cross multiply
    291,433.95x = 437,066.82 × 122,992.02
  4. Step 4: Simplify right side
    291,433.95x = 53,755,731,066.78
  5. Step 5: Solve for x
    x = 53,755,731,066.78/291,433.95
  6. Step 6: Final answer
    x = 184,452.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.